Math formulas MCQs, math formulas quiz answers to learn elementary school math courses online. Algebraic equations and simple inequalities multiple choice questions (MCQs), math formulas quiz questions and answers for online elementary education degree. Inequalities learning, writing algebraic expressions, examples of equations, problem solving with algebra, simple equations solutions, math formulas test prep for elementary school teaching certification.

Learn math MCQs: considering formula c = b²⁄a - b, then if value of a = -20 and b = -10, value of c is, with choices −10, 10, 20, and −20 for online elementary education degree. Free math student portal for online learning math formulas quiz questions, MCQs to find questions answers based online learning tests.

MCQ: Considering formula c = b²⁄a - b, then if value of a = -20 and b = -10, value of c is

1. −10
2. 10
3. 20
4. −20

A

MCQ: Considering formulae z = (x + y)⁄2, then if x = 10 and y = 12 value of 'z' will be

1. 11
2. 22
3. 20
4. 16

A

MCQ: Considering equation x = b² - cd⁄10, then if b = 6, c = 2 and d = 4, value of 'x' will be

1. 5.8
2. 6.8
3. 4.8
4. 2.8

D

MCQ: Considering formula 1⁄w = 1⁄x + 1⁄y + 1⁄z, then if x = 5, y = 10, and z = 15, value of 1⁄w is

1. 11⁄20
2. 11⁄30
3. 30⁄11
4. 20⁄11

B

MCQ: Considering formula a = bc + cd + f + g⁄bcd, then if value of b = 2, c = 3, d = -3, f = 1, g =-2, value of 'a' will be

1. 4⁄9
2. 2⁄9
3. 2⁄7
4. 1⁄4

B